import { Slot } from '@radix-ui/react-slot';
import { cva, type VariantProps } from 'class-variance-authority';
import * as React from 'react';

import { cn } from '@refly-packages/ai-workspace-common/utils/cn';

const buttonVariants = cva(
  'inline-flex items-center justify-center rounded-xl text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50',
  {
    variants: {
      variant: {
        default: 'bg-primary text-primary-foreground shadow hover:bg-primary/90',
        destructive: 'bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90',
        outline:
          'border border-input bg-background text-foreground shadow-sm hover:bg-accent hover:text-accent-foreground',
        secondary: 'bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80',
        ghost: 'hover:bg-accent hover:text-accent-foreground',
        link: 'text-primary underline-offset-4 hover:underline',
        rainbow:
          'group relative animate-rainbow cursor-pointer border-0 bg-[linear-gradient(#121213,#121213),linear-gradient(#121213_50%,rgba(18,18,19,0.6)_80%,rgba(18,18,19,0)),linear-gradient(90deg,hsl(var(--color-1)),hsl(var(--color-5)),hsl(var(--color-3)),hsl(var(--color-4)),hsl(var(--color-2)))] bg-[length:200%] text-primary-foreground [background-clip:padding-box,border-box,border-box] [background-origin:border-box] [border:calc(0.08*1rem)_solid_transparent] before:absolute before:bottom-[-20%] before:left-1/2 before:z-0 before:h-1/5 before:w-3/5 before:-translate-x-1/2 before:animate-rainbow before:bg-[linear-gradient(90deg,hsl(var(--color-1)),hsl(var(--color-5)),hsl(var(--color-3)),hsl(var(--color-4)),hsl(var(--color-2)))] before:[filter:blur(calc(0.8*1rem))]',
        'rainbow-outline':
          'group relative animate-rainbow cursor-pointer border-0 border-input bg-[linear-gradient(#fff,#fff),linear-gradient(#fff_50%,rgba(255,255,255,0.6)_80%,rgba(0,0,0,0)),linear-gradient(90deg,hsl(var(--color-1)),hsl(var(--color-5)),hsl(var(--color-3)),hsl(var(--color-4)),hsl(var(--color-2)))] bg-[length:200%] px-4 text-foreground shadow-sm [background-clip:padding-box,border-box,border-box] [background-origin:border-box] [border:calc(0.08*1rem)_solid_transparent] before:absolute before:bottom-[-20%] before:left-1/2 before:z-0 before:h-1/5 before:w-3/5 before:-translate-x-1/2 before:animate-rainbow before:bg-[linear-gradient(90deg,hsl(var(--color-1)),hsl(var(--color-5)),hsl(var(--color-3)),hsl(var(--color-4)),hsl(var(--color-2)))] before:[filter:blur(calc(0.8*1rem))]',
      },
      size: {
        default: 'h-9 px-4 py-2',
        sm: 'h-8 rounded-xl px-3 text-xs',
        lg: 'h-11 rounded-xl px-8',
        icon: 'size-9',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  },
);

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof buttonVariants> {
  asChild?: boolean;
}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant, size, asChild = false, ...props }, ref) => {
    const Comp = asChild ? Slot : 'button';
    return (
      <Comp className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />
    );
  },
);
Button.displayName = 'Button';

export { Button, buttonVariants };
